EP 1378557 A1 20040107 - Liquid crystalline medium
Title (en)
Liquid crystalline medium
Title (de)
Flüssigkristallines Medium
Title (fr)
Milieu liquide cristallin
Publication
Application
Priority
DE 10230597 A 20020706
Abstract (en)
A liquid crystal medium contains (a) a cyclohexylene- or phenylene-difluorophenylene compound; (b) a cyclohexylene-cyclohexylene (or phenylene)-difluorophenylene compound; and (c) a polymerizable compound. A liquid crystal medium contains (a) a cyclohexylene- or phenylene-difluorophenylene compound of formula (I); (b) a cyclohexylene-cyclohexylene (or phenylene)-difluorophenylene compound of formula (II); and (c) a polymerizable compound. R1 and R2 = 1-12C alkyl with one or two non-adjacent CH2 groups optionally replaced by -O-, -CH:CH-, -CO-, -OCO- or -COO- such that O atoms are not directly bonded; and ring A = 1,4-cyclohexylene or 1,4-phenylene
Abstract (de)
Die vorliegende Erfindung betrifft ein flüssigkristallines Medium auf der Basis eines Gemisches von Verbindungen mit negativer dielektrischer Anisotropie enthaltend eine oder mehrere polymerisierbare Verbindungen, sowie dessen Verwendung für elektrooptische Zwecke und dieses Medium enthaltende Anzeigen.
IPC 1-7
IPC 8 full level
G02F 1/13 (2006.01); C08F 2/44 (2006.01); C09K 19/10 (2006.01); C09K 19/12 (2006.01); C09K 19/14 (2006.01); C09K 19/16 (2006.01); C09K 19/18 (2006.01); C09K 19/20 (2006.01); C09K 19/30 (2006.01); C09K 19/32 (2006.01); C09K 19/34 (2006.01); C09K 19/42 (2006.01); C09K 19/44 (2006.01)
CPC (source: EP KR US)
C09K 19/10 (2013.01 - KR); C09K 19/42 (2013.01 - EP US); C09K 19/44 (2013.01 - EP US); G02F 1/13 (2013.01 - KR); C09K 2019/122 (2013.01 - EP US); C09K 2019/548 (2013.01 - EP US); C09K 2323/00 (2020.08 - EP US)
Citation (search report)
- [A] US 2001010366 A1 20010802 - HECKMEIER MICHAEL [DE], et al
- [A] WO 9950210 A1 19991007 - MERCK PATENT GMBH [DE], et al
- [A] US 6159393 A 20001212 - TARUMI KAZUAKI [DE], et al
- [A] WO 0244801 A2 20020606 - MERCK PATENT GMBH [DE], et al
- [A] DE 19940655 A1 20000406 - MERCK PATENT GMBH [DE]
- [DA] DE 2636684 A1 19780216 - MERCK PATENT GMBH
- [A] WO 9522586 A1 19950824 - BASF AG [DE], et al
- [A] WO 9700600 A2 19970109 - BASF AG [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1378557 A1 20040107; EP 1378557 B1 20070221; AT E354623 T1 20070315; CN 1283749 C 20061108; CN 1475547 A 20040218; DE 10329140 A1 20040115; DE 50306559 D1 20070405; JP 2004131704 A 20040430; JP 4562357 B2 20101013; KR 101032181 B1 20110502; KR 20040005616 A 20040116; TW 200407414 A 20040516; TW I330659 B 20100921; US 2004011996 A1 20040122; US 6861107 B2 20050301
DOCDB simple family (application)
EP 03013466 A 20030625; AT 03013466 T 20030625; CN 03146257 A 20030704; DE 10329140 A 20030627; DE 50306559 T 20030625; JP 2003270861 A 20030704; KR 20030045353 A 20030704; TW 92118376 A 20030704; US 61185403 A 20030703